Victor Chang
Victor Chang's Blog

Victor Chang's Blog

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Humidity Readings - A Rabbit Hole

Sep 9, 202315 min read

I've been getting sensors like this that can measure temperature and relative humidity. Coupled with microcontroller boards like the Raspberry Pi Pico...

Humidity Readings - A Rabbit Hole

Garage Door Controller and Sensor

Aug 18, 20236 min read

Let's make a dumb garage door smart! The usual consumer solution is the myQ controller, but I generally dislike being dependent on some company's...

Garage Door Controller and Sensor

Quickly Detect Gaps in Dashcam Footage

Jul 29, 20234 min read

Dashcams save their footage in multiple progressive files, but there's a common flaw that goes largely unnoticed: there can be a gap in footage...

Quickly Detect Gaps in Dashcam Footage

Automating Incremental Backups (to AWS)

Jul 26, 20237 min read

We should all have some sort of off-site backup of our data. My approach to achieving this involved writing a script which I will talk about in this...

Automating Incremental Backups (to AWS)

Organizing iPhone Media by their Types

Jul 7, 20237 min read

iPhones (and iPads) have limited file management capabilities — we all know this. This affects how well you're able to filter through your media. The...

Organizing iPhone Media by their Types

"Segmented Linear" Calibration for ESPHome

May 14, 20235 min read

UPDATE (2023-08-19) This article is no longer necessary as of Mat931's PR! Now you can have the behavior of what I called "segmented linear" by...

"Segmented Linear" Calibration for ESPHome